The Mica series manual folding knives feature a Button Lock design, which ensures the blade is securely held in the closed position. The knife requires manual operation for both opening and closing. 1. How to Open the Blade: Manually push the blade backward with a finger to rotate the blade open. 2. How to Close: Step1: Manually press the button lock(this step is only for unlocking, the blade will not deploy or retract) Step 2: Then manually push the blade back to the closed position.